/* Copyright (C) 1990-1992 Mark Adler, Richard B. Wales, Jean-loup Gailly, Kai Uwe Rommel and Igor Mandrichenko. Permission is granted to any individual or institution to use, copy, or redistribute this software so long as all of the original files are included unmodified, that it is not sold for profit, and that this copyright notice is retained. */ /* * fileio.c by Mark Adler. */ #include "zip.h" #include #ifdef WIN32 # include # include /* for findfirst/findnext */ #endif #ifdef MACOS # define EXDEV 1 #endif #ifdef OSF # define EXDEV 18 /* avoid a bug in the DEC OSF/1 header files. */ #else # include #endif #ifdef MINIX # ifdef S_IWRITE # undef S_IWRITE # endif /* S_IWRITE */ # define S_IWRITE S_IWUSR #endif /* S_IWUSR */ #ifdef ATARI_ST # undef MSDOS #endif #if defined(MSDOS) && !defined(__GO32__) # include # ifdef __TURBOC__ # include # else /* !__TURBOC__ */ # if !defined(__EMX__) && !defined(__WATCOMC__) # include # endif # endif /* ?__TURBOC__ */ # define link rename # ifdef OS2 # define MATCH shmatch # else /* !OS2 */ # define MATCH dosmatch # endif /* ?OS2 */ #else /* !MSDOS */ extern int errno; /* error number from system functions */ # ifdef TOPS20 # define PATH_START '<' # define PATH_END '>' # define link rename # endif # ifdef VMS # define PATH_START '[' # define PATH_END ']' # define RMDIR # define link rename # include "VMSmunch.h" # endif /* VMS */ # ifdef MACOS # define link rename # define mktemp tmpnam # endif # define MATCH shmatch #endif /* ?MSDOS */ #ifdef ATARI_ST # define MSDOS 1 #endif #ifdef UTS # define RMDIR #endif /* UTS */ /* Extra malloc() space in names for cutpath() */ #if (defined(VMS) || defined(TOPS20)) # define PAD 3 /* may have to change .FOO] to ]FOO.DIR */ #else # define PAD 0 # define PATH_END '/' #endif #ifdef VMS # include # include #endif /* For directory access. (This is getting rather messy. Cleanup * scheduled for version 17.9.) */ #ifndef UTIL #if defined(SYSV) || defined(__GO32__) /* use readdir() */ # include # define dstrm DIR # define direct dirent #else /* !SYSV && !__GO32__ */ #ifdef DIRENT /* use getdents() */ #ifndef TOPS20 # if defined(MINIX) || defined(OSF) # include # else /* !MINIX */ # include # endif /* ?MINIX */ # define direct dirent # ifdef MINIX int getdents OF((int, char *, unsigned)); # else /* !MINIX */ int getdents OF((int, char *, int)); # endif /* ?MINIX */ # define DBSZ 4096 /* This has to be bigger than a directory block */ typedef struct { /* directory stream buffer */ int f; /* file descriptor for the directory "file" */ char *p; /* pointer to next entry in buffer */ char *q; /* pointer after end of buffer contents */ char b[DBSZ]; /* buffer */ } dstrm; #else /* TOPS20 */ # define TRUE 1 # define FALSE 0 # define O_RDONLY (0) # define O_T20_WILD (1<<18) # include /* Get amazing monsym() macro */ extern int jsys(), fstat(); extern char *getcwd(); extern int _gtjfn(), _rljfn(); # define JSYS_CLASS 0070000000000 # define FLD(val,mask) (((unsigned)(val)*((mask)&(-(mask))))&(mask)) # define _DEFJS(name,class) (FLD(class, JSYS_CLASS) | (monsym(name)&0777777)) # define JFNS _DEFJS("JFNS%", 1) # define GNJFN _DEFJS("GNJFN%", 0) static int wfopen(), wfnext(), strlower(), strupper(); static char *wfname(); typedef struct { int wfjfn; int more; } dstrm; #endif /* ?TOPS20 */ #else /* !DIRENT */ /* use opendir(), etc. */ # if defined(CONVEX) || defined(ultrix) # include # ifdef direct # undef direct /* ultrix 4.2, at least if !__POSIX */ # endif # define direct dirent # endif /* CONVEX || ultrix */ # ifdef NDIR # include "ndir.h" /* for HPUX */ # else /* !NDIR */ # ifdef MSDOS # ifdef OS2 # include "os2zip.h" # else /* !OS2 */ # ifndef ATARI_ST # include # endif # ifdef __TURBOC__ # define FATTR FA_HIDDEN+FA_SYSTEM+FA_DIREC # define FFIRST(n,d) findfirst(n,(struct ffblk *)d,FATTR) # define FNEXT(d) findnext((struct ffblk *)d) # else /* !__TURBOC__ */ # define FATTR _A_HIDDEN+_A_SYSTEM+_A_SUBDIR # define FFIRST(n,d) _dos_findfirst(n,FATTR,(struct find_t *)d) # define FNEXT(d) _dos_findnext((struct find_t *)d) # endif /* ?__TURBOC__ */ typedef struct direct { char d_reserved[30]; # ifndef WIN32 char d_name[13]; int d_first; # else char d_name[MAX_PATH]; int d_first; HANDLE d_hFindFile; # endif /* WIN32 */ } DIR; # endif /* ?OS2 */ # else /* !MSDOS */ # ifdef VMS # include typedef struct direct { int d_wild; /* flag for wildcard vs. non-wild */ struct FAB fab; struct NAM nam; char d_qualwildname[NAM$C_MAXRSS + 1]; char d_name[NAM$C_MAXRSS + 1]; } DIR; # else /* !VMS */ # ifdef MACOS typedef struct direct { int d_wild; /* flag for wildcard vs. non-wild */ char *d_name; } DIR; # endif # ifdef M_XENIX # include # else /* !M_XENIX */ # include # endif /* ?M_XENIX */ # ifdef NODIR /* for AT&T 3B1 */ # define dirent direct typedef FILE DIR; # define dstrm DIR # endif /* NODIR */ # endif /* ?VMS */ # endif /* ?MSDOS */ # endif /* ?NDIR */ # define dstrm DIR # ifndef NODIR DIR *opendir OF((char *)); # endif /* !NODIR */ # ifndef CONVEX struct direct *readdir OF((DIR *)); # endif /* !CONVEX */ #endif /* ?DIRENT */ #endif /* ?SYSV */ #endif /* !UTIL */ /* Library functions not in (most) header files */ #ifdef TOPS20 extern int stat(), chmod(), toupper(), tolower(); #endif #if defined(__IBMC__) || defined(__WATCOMC__) # define NO_MKTEMP #endif char *mktemp OF((char *)); #ifndef __GO32__ int link OF((char *, char *)); int unlink OF((char *)); # if defined(MSDOS) int chmod OF((char *, int)); /* For many targets, chmod is already defined by sys/stat.h, and second * parameter is an unsigned long. */ # endif #else # include #endif #ifndef UTIL /* the companion #endif is a bit of ways down ... */ #ifndef __TURBOC__ int utime OF((char *, time_t *)); #endif /* !__TURBOC__ */ #ifndef MSDOS int open OF((char *, int, ...)); int close OF((int)); # ifndef RMDIR int rmdir OF((char *)); # endif /* !RMDIR */ #endif /* !MSDOS */ /* Local globals (kinda like "military intelligence" or "broadcast quality") */ local int exflag = 0; /* Exclude flag */ #ifdef VMS typedef int statime; #else /* !VMS */ typedef time_t statime; #endif /* ?VMS */ /* Local functions */ #ifdef PROTO # ifdef VMS local void vms_wild(char *, dstrm *); # endif /* VMS */ # ifdef DIRENT local dstrm *opend(char *); local void closed(dstrm *); # endif /* DIRENT */ local char *readd(dstrm *); local int fqcmp(voidp *, voidp *); local int fqcmpz(voidp *, voidp *); local char *last(char *); local char *msname(char *); # ifdef VMS local char *strlower(char *); local char *strupper(char *); # endif /* VMS */ local char *ex2in(char *, int, int *); local int newname(char *, int); local void inctime(struct tm *); local ulg unix2dostime(statime *); # if !defined(__TURBOC__) && !defined(OS2) && !defined(__GO32__) local int cmptime(struct tm *, struct tm *); local time_t invlocal(struct tm *); # endif /* !__TURBOC__ */ #endif /* PROTO */ #if defined(MSDOS) && !defined(OS2) && !defined(__GO32__) dstrm *opendir(n) char *n; /* directory to open */ /* Start searching for files in the MSDOS directory n */ { dstrm *d; /* malloc'd return value */ char *p; /* malloc'd temporary string */ if ((d = (dstrm *)malloc(sizeof(dstrm))) == NULL || (p = malloc(strlen(n) + 5)) == NULL) return NULL; strcat(strcpy(p, n), "/"); strcat(p, "*.*"); /* don't use strcat in one step, TOPS20 is confused */ #ifdef WIN32 { WIN32_FIND_DATA fd; DWORD dwAttr; BOOL bAttr; if ((HANDLE)0xFFFFFFFF == (d->d_hFindFile = FindFirstFile(p, &fd))) { free((voidp *)p); return NULL; } else strcpy(d->d_name, fd.cFileName); if (-1 != (dwAttr = GetFileAttributes(fd.cFileName))) { bAttr = FALSE; if (FILE_ATTRIBUTE_SYSTEM == (dwAttr & FILE_ATTRIBUTE_SYSTEM)) bAttr = TRUE; if (FILE_ATTRIBUTE_HIDDEN == (dwAttr & FILE_ATTRIBUTE_HIDDEN)) bAttr = TRUE; if (FILE_ATTRIBUTE_DIRECTORY == (dwAttr & FILE_ATTRIBUTE_DIRECTORY)) bAttr = TRUE; if (!bAttr) { free ((voidp *)p); free ((void *) d); return NULL; } } } #else if (FFIRST(p, d)) { free((voidp *)p); return NULL; } free((voidp *)p); #endif d->d_first = 1; return d; } struct direct *readdir(d) dstrm *d; /* directory stream to read from */ /* Return pointer to first or next directory entry, or NULL if end. */ { if (d->d_first) d->d_first = 0; else #ifdef WIN32 { WIN32_FIND_DATA fd; if (!FindNextFile(d->d_hFindFile, &fd)) return NULL; else strcpy(d->d_name, fd.cFileName); } #else /* !WIN32 */ if (FNEXT(d)) return NULL; #endif return (struct direct *)d; } # define closedir free #endif /* MSDOS && !OS2 && !__GO32__ */ #ifdef VMS /*--------------------------------------------------------------------------- _vms_findfirst() and _vms_findnext(), based on public-domain DECUS C fwild() and fnext() routines (originally written by Martin Minow, poss- ibly modified by Jerry Leichter for bintnxvms.c), were written by Greg Roelofs and are still in the public domain. Routines approximate the behavior of MS-DOS (MSC and Turbo C) findfirst and findnext functions. ---------------------------------------------------------------------------*/ local void vms_wild(p, d) char *p; dstrm *d; { /* * Do wildcard setup */ /* set up the FAB and NAM blocks. */ d->fab = cc$rms_fab; /* initialize fab */ d->nam = cc$rms_nam; /* initialize nam */ d->fab.fab$l_nam = &d->nam; /* fab -> nam */ d->fab.fab$l_fna = p; /* argument wild name */ d->fab.fab$b_fns = strlen(p); /* length */ d->nam.nam$l_esa = d->d_qualwildname; /* qualified wild name */ d->nam.nam$b_ess = NAM$C_MAXRSS; /* max length */ d->nam.nam$l_rsa = d->d_name; /* matching file name */ d->nam.nam$b_rss = NAM$C_MAXRSS; /* max length */ /* parse the file name */ if (sys$parse(&d->fab) != RMS$_NORMAL) return; /* Does this replace d->fab.fab$l_fna with a new string in its own space? I sure hope so, since p is free'ed before this routine returns. */ /* have qualified wild name (i.e., disk:[dir.subdir]*.*); null-terminate * and set wild-flag */ d->d_qualwildname[d->nam.nam$b_esl] = '\0'; d->d_wild = (d->nam.nam$l_fnb & NAM$M_WILDCARD)? 1 : 0; /* not used... */ #ifdef DEBUG fprintf(mesg, " incoming wildname: %s\n", p); fprintf(mesg, " qualified wildname: %s\n", d->d_qualwildname); #endif /* DEBUG */ } dstrm *opendir(n) char *n; /* directory to open */ /* Start searching for files in the VMS directory n */ { char *c; /* scans VMS path */ dstrm *d; /* malloc'd return value */ int m; /* length of name */ char *p; /* malloc'd temporary string */ if ((d = (dstrm *)malloc(sizeof(dstrm))) == NULL || (p = malloc((m = strlen(n)) + 4)) == NULL) return NULL; /* Directory may be in form "[DIR.SUB1.SUB2]" or "[DIR.SUB1]SUB2.DIR;1". If latter, convert to former. */ if (m > 0 && *(c = strcpy(p,n)+m-1) != ']') { while (--c > p && *c != ';') ; if (c-p < 5 || strncmp(c-4, ".DIR", 4)) { free((voidp *)d); free((voidp *)p); return NULL; } c -= 3; *c-- = '\0'; /* terminate at "DIR;#" */ *c = ']'; /* "." --> "]" */ while (c > p && *--c != ']') ; *c = '.'; /* "]" --> "." */ } strcat(p, "*.*"); vms_wild(p, d); /* set up wildcard */ free((voidp *)p); return d; } struct direct *readdir(d) dstrm *d; /* directory stream to read from */ /* Return pointer to first or next directory entry, or NULL if end. */ { int r; /* return code */ do { d->fab.fab$w_ifi = 0; /* internal file index: what does this do? */ /* get next match to possible wildcard */ if ((r = sys$search(&d->fab)) == RMS$_NORMAL) { d->d_name[d->nam.nam$b_rsl] = '\0'; /* null terminate */ return (struct direct *)d; /* OK */ } } while (r == RMS$_PRV); return NULL; } # define closedir free #endif /* VMS */ #ifdef NODIR /* for AT&T 3B1 */ /* ** Apparently originally by Rich Salz. ** Cleaned up and modified by James W. Birdsall. */ # define opendir(path) fopen(path, "r") struct direct *readdir(dirp) DIR *dirp; { static struct direct entry; if (dirp == NULL) return NULL; for (;;) if (fread (&entry, sizeof (struct direct), 1, dirp) == 0) return NULL; else if (entry.d_ino) return (&entry); } /* end of readdir() */ # define closedir(dirp) fclose(dirp) #endif /* NODIR */ #ifdef DIRENT # ifdef TOPS20 local dstrm *opend(n) char *n; /* directory name to open */ /* Open the directory *n, returning a pointer to an allocated dstrm, or NULL if error. */ { dstrm *d; /* pointer to malloc'ed directory stream */ char *c; /* scans TOPS20 path */ int m; /* length of name */ char *p; /* temp string */ if (((d = (dstrm *)malloc(sizeof(dstrm))) == NULL) || ((p = (char *)malloc((m = strlen(n)) + 4)) == NULL)) { return NULL; } /* Directory may be in form "" or "SUB2.DIRECTORY". ** If latter, convert to former. */ if ((m > 0) && (*(c = strcpy(p,n) + m-1) != '>')) { c -= 10; *c-- = '\0'; /* terminate at "DIRECTORY.1" */ *c = '>'; /* "." --> ">" */ while ((c > p) && (*--c != '>')); *c = '.'; /* ">" --> "." */ } strcat(p, "*.*"); if ((d->wfjfn = wfopen(p)) == 0) { free((voidp *)d); free((voidp *)p); return NULL; } free((voidp *)p); d->more = TRUE; return (d); } #else /* !TOPS20 */ local dstrm *opend(n) char *n; /* directory name to open */ /* Open the directory *n, returning a pointer to an allocated dstrm, or NULL if error. */ { dstrm *d; /* pointer to malloc'ed directory stream */ if ((d = (dstrm *)malloc(sizeof(dstrm))) == NULL) return NULL; if ((d->f = open(n, 0, 0)) < 0) /* open directory */ return NULL; d->p = d->q = d->b; /* buffer is empty */ return d; } # endif /* ?TOPS20 */ #else /* !DIRENT */ # define opend opendir /* just use opendir() */ #endif /* ?DIRENT */ local char *readd(d) dstrm *d; /* directory stream to read from */ /* Return a pointer to the next name in the directory stream d, or NULL if no more entries or an error occurs. */ { #ifdef TOPS20 char *p; if ((d->more == FALSE) || ((p = wfname(d->wfjfn)) == NULL)) { return NULL; } if (wfnext(d->wfjfn) == 0) { d->more = FALSE; } return p; #else /* !TOPS20 */ struct direct *e; /* directory entry read */ # ifdef DIRENT int n; /* number of entries read by getdents */ if (d->p >= d->q) /* if empty, fill buffer */ if ((n = getdents(d->f, d->b, DBSZ)) <= 0) return NULL; else d->q = n + (d->p = d->b); e = (struct direct *)(d->p); /* point to entry */ d->p += ((struct direct *)(d->p))->d_reclen; /* advance */ return e->d_name; /* return name */ # else /* !DIRENT */ return (e = readdir(d)) == NULL ? (char *)NULL : e->d_name; # endif /* ?DIRENT */ #endif /* ?TOPS20 */ } #ifdef DIRENT local void closed(d) dstrm *d; /* directory stream to close */ /* Close the directory stream */ { #ifndef TOPS20 close(d->f); #endif free((voidp *)d); } #else /* !DIRENT */ # define closed closedir #endif /* ?DIRENT */ #ifdef TOPS20 /* Wildcard filename routines */ /* WFOPEN - open wild card filename ** Returns wild JFN for filespec, 0 if failure. */ static int wfopen(name) char *name; { return (_gtjfn(name, (O_RDONLY | O_T20_WILD))); } /* WFNAME - Return filename for wild JFN ** Returns pointer to dynamically allocated filename string */ static char * wfname(jfn) int jfn; { char *fp, fname[200]; int ablock[5]; ablock[1] = (int) (fname - 1); ablock[2] = jfn & 0777777; /* jfn, no flags */ ablock[3] = 0111110000001; /* DEV+DIR+NAME+TYPE+GEN, punctuate */ if (!jsys(JFNS, ablock)) return NULL; /* something bad happened */ if ((fp = (char *)malloc(strlen(fname) + 1)) == NULL) { return NULL; } strcpy(fp, fname); /* copy the file name here */ return fp; } /* WFNEXT - Make wild JFN point to next real file ** Returns success or failure (not JFN) */ static int wfnext(jfn) int jfn; { int ablock[5]; ablock[1] = jfn; /* save jfn and flags */ return jsys(GNJFN, ablock); } #endif /* TOPS20 */ #if defined(MSDOS) && !defined(__GO32__) int wild(w) char *w; /* path/pattern to match */ /* If not in exclude mode, expand the pattern based on the contents of the file system. Return an error code in the ZE_ class. */ { char *a; /* alloc'ed space for name */ dstrm *d; /* stream for reading directory */ char *e; /* name found in directory */ int f; /* true if there was a match */ char *n; /* constructed name from directory */ char *p; /* path */ char *q; /* name */ int r; /* temporary variable */ char v[5]; /* space for device current directory */ /* Allocate and copy pattern */ if ((p = a = malloc(strlen(w) + 1)) == NULL) return ZE_MEM; strcpy(p, w); /* Normalize pattern to upper case, path delimiter as '/'. */ for (q = p; *q; q++) /* use / consistently */ if (*q == '\\') *q = '/'; /* If excluding, don't bother with file system */ if (exflag) { r = procname(p); free((voidp *)a); return r; } /* Only name can have special matching characters */ if ((q = isshexp(p)) != NULL && (strrchr(q, '/') != NULL || strrchr(q, ':') != NULL)) { free((voidp *)a); return ZE_PARMS; } /* Separate path and name into p and q */ if ((q = strrchr(p, '/')) != NULL && (q == p || q[-1] != ':')) { *q++ = 0; /* path/name -> path, name */ if (*p == 0) /* path is just / */ p = strcpy(v, "/."); } else if ((q = strrchr(p, ':')) != NULL) { /* has device and no or root path */ *q++ = 0; p = strcat(strcpy(v, p), ":"); /* copy device as path */ if (*q == '/') /* -> device:/., name */ { strcat(p, "/"); q++; } strcat(p, "."); } else /* no path or device */ { q = p; p = strcpy(v, "."); } /* Search that level for matching names */ if ((d = opend(p)) == NULL) { free((voidp *)a); return ZE_MISS; } if ((r = strlen(p)) > 1 && (strcmp(p + r - 2, ":.") == 0 || strcmp(p + r - 2, "/.") == 0)) *(p + r - 1) = 0; f = 0; while ((e = readd(d)) != NULL) if (strcmp(e, ".") && strcmp(e, "..") && MATCH(q, e)) { f = 1; if (strcmp(p, ".") == 0) /* path is . */ procname(e); /* name is name */ else { if ((n = malloc(strlen(p) + strlen(e) + 2)) == NULL) { free((voidp *)a); return ZE_MEM; } n = strcpy(n, p); if (n[r = strlen(n) - 1] != '/' && n[r] != ':') strcat(n, "/"); r = procname(strcat(n, e)); /* name is path/name */ free((voidp *)n); if (r) { free((voidp *)a); return r; } } } closed(d); /* Done */ free((voidp *)a); return f ? ZE_OK : ZE_MISS; } #endif /* MSDOS && !__GO32__ */ #if defined(MSDOS) && !defined(OS2) # if (defined(__TURBOC__) || defined(__GO32__)) && !defined(__BORLANDC__) # define GetFileMode(name) bdosptr(0x43, (name), 0) # else int GetFileMode(char *name) { unsigned int attr = 0; _dos_getfileattr(name, &attr); return attr; } # endif/* __TURBOC__ || __GO32__ */ # endif /* MSDOS && !OS2 */ #ifdef VMS int wild(p) char *p; /* path/pattern to match */ /* Expand the pattern based on the contents of the file system. Return an error code in the ZE_ class. */ { dstrm *d; /* stream for reading directory */ char *e; /* name found in directory */ int f; /* true if there was a match */ /* Search given pattern for matching names */ if ((d = (dstrm *)malloc(sizeof(dstrm))) == NULL) return ZE_MEM; vms_wild(p, d); /* pattern may be more than just directory name */ f = 0; while ((e = readd(d)) != NULL) /* "dosmatch" is already built in */ if (procname(e) == ZE_OK) f = 1; closed(d); /* Done */ return f ? ZE_OK : ZE_MISS; } #endif /* VMS */ char *getnam(n) char *n; /* where to put name (must have >=FNMAX+1 bytes) */ /* Read a space, \n, \r, or \t delimited name from stdin into n, and return n. If EOF, then return NULL. Also, if the name read is too big, return NULL. */ { int c; /* last character read */ char *p; /* pointer into name area */ p = n; while ((c = getchar()) == ' ' || c == '\n' || c == '\r' || c == '\t') ; if (c == EOF) return NULL; do { if (p - n >= FNMAX) return NULL; *p++ = (char)c; c = getchar(); } while (c != EOF && c != ' ' && c != '\n' && c != '\r' && c != '\t'); *p = 0; return n; } struct flist far *fexpel(f) struct flist far *f; /* entry to delete */ /* Delete the entry *f in the doubly-linked found list. Return pointer to next entry to allow stepping through list. */ { struct flist far *t; /* temporary variable */ t = f->nxt; *(f->lst) = t; /* point last to next, */ if (t != NULL) t->lst = f->lst; /* and next to last */ if (f->name != NULL) /* free memory used */ free((voidp *)(f->name)); if (f->zname != NULL) free((voidp *)(f->zname)); farfree((voidp far *)f); fcount--; /* decrement count */ return t; /* return pointer to next */ } local int fqcmp(a, b) voidp *a, *b; /* pointers to pointers to found entries */ /* Used by qsort() to compare entries in the found list by name. */ { return strcmp((*(struct flist far **)a)->name, (*(struct flist far **)b)->name); } local int fqcmpz(a, b) voidp *a, *b; /* pointers to pointers to found entries */ /* Used by qsort() to compare entries in the found list by zname. */ { return strcmp((*(struct flist far **)a)->zname, (*(struct flist far **)b)->zname); } local char *last(p) char *p; /* sequence of / delimited path components */ /* Return a pointer to the start of the last path component. For a * directory name terminated by /, the return value is an empty string. */ { char *t; /* temporary variable */ if ((t = strrchr(p, PATH_END)) != NULL) return t + 1; else return p; } local char *msname(n) char *n; /* Reduce all path components to MSDOS upper case 8.3 style names. Probably should also check for invalid characters, but I don't know which ones those are. */ { int c; /* current character */ int f; /* characters in current component */ char *p; /* source pointer */ char *q; /* destination pointer */ p = q = n; f = 0; while ((c = *p++) != 0) if (c == '/') { *q++ = (char)c; f = 0; /* new component */ } else if (c == '.') if (f < 9) { *q++ = (char)c; f = 9; /* now in file type */ } else f = 12; /* now just excess characters */ else if (f < 12 && f != 8) { *q++ = (char)(to_up(c)); f++; /* do until end of name or type */ } *q = 0; return n; } #ifdef VMS local char *strlower(s) char *s; /* string to convert */ /* Convert all uppercase letters to lowercase in string s */ { char *p; /* scans string */ for (p = s; *p; p++) if (*p >= 'A' && *p <= 'Z') *p += 'a' - 'A'; return s; } local char *strupper(s) char *s; /* string to convert */ /* Convert all lowercase letters to uppercase in string s */ { char *p; /* scans string */ for (p = s; *p; p++) if (*p >= 'a' && *p <= 'z') *p -= 'a' - 'A'; return s; } #endif /* VMS */ local char *ex2in(x, isdir, pdosflag) char *x; /* external file name */ int isdir; /* input: x is a directory */ int *pdosflag; /* output: force MSDOS file attributes? */ /* Convert the external file name to a zip file name, returning the malloc'ed string or NULL if not enough memory. */ { char *n; /* internal file name (malloc'ed) */ char *t; /* shortened name */ int dosflag; #ifdef TOPS20 int jfn; char *fp, fname[200]; int ablock[5]; jfn = _gtjfn(x, (O_RDONLY)); ablock[1] = (int) (fname - 1); ablock[2] = jfn & 0777777; /* jfn, no flags */ ablock[3] = 0111100000001; /* DEV+DIR+NAME+TYPE, punctuate */ if (!jsys(JFNS, ablock)) { _rljfn(jfn); return NULL; /* something bad happened */ } _rljfn(jfn); if ((fp = (char *)malloc(strlen(fname) + 1)) == NULL) { return NULL; } strcpy(fp, fname); /* copy the file name here */ x = fp; #endif /* TOPS20 */ #ifdef OS2 dosflag = dosify || IsFileSystemFAT(x); if (!dosify && use_longname_ea && (t = GetLongPathEA(x)) != NULL) { x = t; dosflag = 0; } #else /* !OS2 */ # ifdef MSDOS dosflag = 1; # else /* !MSDOS */ dosflag = dosify; /* default for non-DOS and non-OS/2 */ # endif /* ?MSDOS */ #endif /* ?OS2 */ /* Find starting point in name before doing malloc */ #ifdef MSDOS /* msdos */ t = *x && *(x + 1) == ':' ? x + 2 : x; while (*t == '/' || *t == '\\') t++; #else /* !MSDOS */ # if (defined(VMS) || defined(TOPS20)) t = x; if ((n = strrchr(t, ':')) != NULL) t = n + 1; if (*t == PATH_START && (n = strrchr(t, PATH_END)) != NULL) if ((x = strchr(t, '.')) != NULL && x < n) t = x + 1; else t = n + 1; # else /* !(VMS || TOPS20) */ /* unix */ for (t = x; *t == '/'; t++) ; # endif /* ?(VMS || TOPS20) */ #endif /* ?MSDOS */ /* Make changes, if any, to the copied name (leave original intact) */ #ifdef MSDOS for (n = t; *n; n++) if (*n == '\\') *n = '/'; #endif /* MSDOS */ if (!pathput) t = last(t); /* Discard directory names with zip -rj */ if (*t == '\0') return t; /* Malloc space for internal name and copy it */ if ((n = malloc(strlen(t) + 1)) == NULL) return NULL; strcpy(n, t); #if (defined(VMS) || defined(TOPS20)) if ((t = strrchr(n, PATH_END)) != NULL) { *t = '/'; while (--t > n) if (*t == '.') *t = '/'; } /* Fix from Greg Roelofs: */ /* Get current working directory and strip from n (t now = n) */ { char cwd[256], *p, *q; int c; if (getcwd(cwd, 256) && ((p = strchr(cwd, '.')) != NULL)) { ++p; if ((q = strrchr(p, PATH_END)) != NULL) { *q = '/'; while (--q > p) if (*q == '.') *q = '/'; /* strip bogus path parts from n */ if (strncmp(n, p, (c=strlen(p))) == 0) { q = n + c; while (*t++ = *q++) ; } } } } strlower(n); if (isdir) { if (strcmp((t=n+strlen(n)-6), ".dir;1")) error("directory not version 1"); else strcpy(t, "/"); } #ifdef VMS else if (!vmsver) if ((t = strrchr(n, ';')) != NULL) *t = 0; #endif /* VMS */ if ((t = strrchr(n, '.')) != NULL) { if ( t[1] == 0) /* "filename." -> "filename" */ *t = 0; #ifdef VMS else if (t[1] == ';') /* "filename.;vvv" -> "filename;vvv" */ { char *f = t+1; while (*t++ = *f++) ; } #endif /* VMS */ } #else isdir += 0; /* avoid warning on unused variable */ #endif /* ?(VMS || TOPS20) */ if (dosify) msname(n); #if defined(MSDOS) && !defined(OS2) else strlwr(n); #endif /* Returned malloc'ed name */ if (pdosflag) *pdosflag = dosflag; return n; } char *in2ex(n) char *n; /* internal file name */ /* Convert the zip file name to an external file name, returning the malloc'ed string or NULL if not enough memory. */ { char *x; /* external file name */ #if (defined(VMS) || defined(TOPS20)) char *t; /* scans name */ if ((t = strrchr(n, '/')) == NULL) #endif { if ((x = malloc(strlen(n) + 1 + PAD)) == NULL) return NULL; strcpy(x, n); } #if (defined(VMS) || defined(TOPS20)) else { if ((x = malloc(strlen(n) + 3 + PAD)) == NULL) return NULL; x[0] = PATH_START; x[1] = '.'; strcpy(x + 2, n); *(t = x + 2 + (t - n)) = PATH_END; while (--t > x) if (*t == '/') *t = '.'; } strupper(x); #endif /* ?(VMS || TOPS20) */ #ifdef OS2 if ( !IsFileNameValid(x) ) ChangeNameForFAT(x); #endif /* !OS2 */ return x; } int exclude() /* Change from including to excluding names when procname() called. Return an error code in the ZE_ class. */ { struct flist far *f; /* steps through found linked list */ extent j; /* index for s */ struct flist far **s; /* sorted table */ /* sort found list, remove duplicates */ if (fcount) { if ((s = (struct flist far **)malloc( fcount * sizeof(struct flist far *))) == NULL) return ZE_MEM; for (j = 0, f = found; f != NULL; f = f->nxt) s[j++] = f; qsort((char *)s, fcount, sizeof(struct flist far *), fqcmp); for (j = fcount - 1; j > 0; j--) if (strcmp(s[j - 1]->name, s[j]->name) == 0) fexpel(s[j]); /* fexpel() changes fcount */ qsort((char *)s, fcount, sizeof(struct flist far *), fqcmpz); for (j = 1; j < fcount; j++) if (strcmp(s[j - 1]->zname, s[j]->zname) == 0) { warn("name in zip file repeated: ", s[j]->zname); warn(" first full name: ", s[j - 1]->name); warn(" second full name: ", s[j]->name); return ZE_PARMS; } free((voidp *)s); } exflag = 1; return ZE_OK; } local int newname(n, isdir) char *n; /* name to add (or exclude) */ int isdir; /* true for a directory */ /* Add (or exclude) a name that is not in the zip file. Return an error code in the ZE_ class. */ { char *m; struct flist far *f; /* where in found, or new found entry */ struct zlist far *z; /* where in zfiles (if found) */ int dosflag; /* Search for name in zip file. If there, mark it, else add to list of new names to do (or remove from that list). */ if ((m = ex2in(n, isdir, &dosflag)) == NULL) return ZE_MEM; /* Discard directory names with zip -rj */ if (*m == '\0') { if (pathput) error("empty name without -j"); return ZE_OK; } if ((z = zsearch(m)) != NULL) if (exflag) { z->mark = 0; free((voidp *)m); if (verbose) fprintf(mesg, "zip diagnostic: excluding %s\n", z->name); } else { free((voidp *)(z->name)); free((voidp *)(z->zname)); if ((z->name = malloc(strlen(n) + 1 + PAD)) == NULL) return ZE_MEM; strcpy(z->name, n); z->zname = m; z->mark = 1; z->dosflag = dosflag; if (verbose) fprintf(mesg, "zip diagnostic: including %s\n", z->name); } else if (exflag) { /* search list for name--if there, remove it */ for (f = found; f != NULL; f = f->nxt) if (namecmp(n, f->name) == 0) { fexpel(f); break; } free((voidp *)m); } else { /* allocate space and add to list */ if ((f = (struct flist far *)farmalloc(sizeof(struct flist))) == NULL || (f->name = malloc(strlen(n) + 1 + PAD)) == NULL) { if (f != NULL) farfree((voidp far *)f); return ZE_MEM; } strcpy(f->name, n); f->zname = m; f->dosflag = dosflag; *fnxt = f; f->lst = fnxt; f->nxt = NULL; fnxt = &f->nxt; fcount++; } return ZE_OK; } int procname(n) char *n; /* name to process */ /* Process a name or sh expression to operate on (or exclude). Return an error code in the ZE_ class. */ { #if (!defined(VMS) && !defined(TOPS20)) char *a; /* path and name for recursion */ #endif dstrm *d; /* directory stream from opend() */ char *e; /* pointer to name from readd() */ struct flist far *f; /* steps through found list */ int m; /* matched flag */ char *p; /* path for recursion */ struct stat s; /* result of stat() */ struct zlist far *z; /* steps through zfiles list */ if (strcmp(n, "-") == 0) /* if compressing stdin */ return newname(n, 0); else if ( #ifdef S_IFLNK /* if symbolic links exist ... */ linkput ? lstat(n, &s) : #endif /* S_IFLNK */ SSTAT(n, &s) #if defined(__TURBOC__) || defined(VMS) /* Borland and VMS C bug: stat() succeeds on wild card names! */ || isshexp(n) #endif ) { /* Not a file or directory--search for shell expression in zip file */ p = ex2in(n, 0, (int *)NULL); /* shouldn't affect matching chars */ m = 1; for (z = zfiles; z != NULL; z = z->nxt) if (MATCH(p, z->zname)) { z->mark = !exflag; if (verbose) fprintf(mesg, "zip diagnostic: %scluding %s\n", exflag ? "ex" : "in", z->name); m = 0; } /* If excluding, also search for expression in found list */ if (exflag) { for (f = found; f != NULL;) if (MATCH(p, f->zname)) { f = fexpel(f); m = 0; } else f = f->nxt; } free((voidp *)p); if (m) return ZE_MISS; /* no match */ } else { /* Live name--use if file, recurse if directory */ #ifdef MSDOS for (p = n; *p; p++) /* use / consistently */ if (*p == '\\') *p = '/'; #endif /* MSDOS */ if ((s.st_mode & S_IFDIR) == 0) { /* add or remove name of file */ if ((m = newname(n, 0)) != ZE_OK) return m; } else { /* recurse into directory */ if (recurse && (d = opend(n)) != NULL) { #if (defined(VMS) || defined(TOPS20)) if ((m = newname(n, 1)) != ZE_OK) { closed(d); /* want just to set warning error and continue */ return m; } while ((e = readd(d)) != NULL) if ((m = procname(e)) != ZE_OK) /* recurse on name */ { closed(d); return m; } #else /* (VMS || TOPS20) */ if ((p = malloc(strlen(n)+2)) == NULL) return ZE_MEM; if (strcmp(n, ".") == 0) *p = 0; /* avoid "./" prefix and do not create zip entry */ else { strcpy(p, n); a = p + strlen(p); if (a[-1] != '/') strcpy(a, "/"); if ((m = newname(p, 1)) != ZE_OK) return m; } while ((e = readd(d)) != NULL) if (strcmp(e, ".") && strcmp(e, "..")) { if ((a = malloc(strlen(p) + strlen(e) + 1)) == NULL) { free((voidp *)p); closed(d); return ZE_MEM; } strcat(strcpy(a, p), e); if ((m = procname(a)) != ZE_OK) /* recurse on name */ { free((voidp *)a); free((voidp *)p); closed(d); return m; } free((voidp *)a); } free((voidp *)p); #endif /* ? (VMS || TOPS20) */ closed(d); } } } return ZE_OK; } #if !defined(CRAY) && !defined(__TURBOC__) && !defined(OS2) /* and ... */ #if !defined( __GO32__) local int cmptime(p, q) struct tm *p, *q; /* times to compare */ /* Return negative if time p is before time q, positive if after, and zero if the same */ { int r; /* temporary variable */ if (p == NULL) return -1; else if ((r = p->tm_year - q->tm_year) != 0) return r; else if ((r = p->tm_mon - q->tm_mon) != 0) return r; else if ((r = p->tm_mday - q->tm_mday) != 0) return r; else if ((r = p->tm_hour - q->tm_hour) != 0) return r; else if ((r = p->tm_min - q->tm_min) != 0) return r; else return p->tm_sec - q->tm_sec; } local time_t invlocal(t) struct tm *t; /* time to convert */ /* Find inverse of localtime() using bisection. This routine assumes that time_t is an integer type, either signed or unsigned. The expectation is that sometime before the year 2038, time_t will be made a 64-bit integer, and this routine will still work. */ { time_t i; /* midpoint of current root range */ time_t l; /* lower end of root range */ time_t u; /* upper end of root range */ /* Bracket the root [0,largest time_t]. Note: if time_t is a 32-bit signed integer, then the upper bound is GMT 1/19/2038 03:14:07, after which all the Unix systems in the world come to a grinding halt. Either that, or all those systems will suddenly find themselves transported to December of 1901 ... */ l = 0; u = 1; while (u < (u << 1)) u = (u << 1) + 1; /* Find the root */ while (u - l > 1) { i = l + ((u - l) >> 1); if (cmptime(localtime(&i), t) <= 0) l = i; else u = i; } return l; } #endif #endif void stamp(f, d) char *f; /* name of file to change */ ulg d; /* dos-style time to change it to */ /* Set last updated and accessed time of file f to the DOS time d. */ { #if defined(MACOS) warn("timestamp not implemented yet", ""); #else #ifdef __TURBOC__ int h; /* file handle */ if ((h = open(f, 0)) != -1) { #ifdef ATARI_ST d = ( d >> 16 ) | ( d << 16 ); #endif setftime(h, (struct ftime *)&d); close(h); } #else /* !__TURBOC__ */ #ifdef VMS int tm_sec, tm_min, tm_hour, tm_mday, tm_mon, tm_year; char timbuf[24]; static char *month[] = {"JAN", "FEB", "MAR", "APR", "MAY", "JUN", "JUL", "AUG", "SEP", "OCT", "NOV", "DEC"}; struct VMStimbuf { char *actime; /* VMS revision date, ASCII format */ char *modtime; /* VMS creation date, ASCII format */ } ascii_times = {timbuf, timbuf}; /* Convert DOS time to ASCII format for VMSmunch */ tm_sec = (int)(d << 1) & 0x3e; tm_min = (int)(d >> 5) & 0x3f; tm_hour = (int)(d >> 11) & 0x1f; tm_mday = (int)(d >> 16) & 0x1f; tm_mon = ((int)(d >> 21) & 0xf) - 1; tm_year = ((int)(d >> 25) & 0x7f) + 1980; sprintf(timbuf, "%02d-%3s-%04d %02d:%02d:%02d.00", tm_mday, month[tm_mon], tm_year, tm_hour, tm_min, tm_sec); /* Set updated and accessed times of f */ if (VMSmunch(f, SET_TIMES, &ascii_times) != RMS$_NMF) warn("can't set zipfile time: ", f); #else /* !VMS */ #ifdef OS2 SetFileTime(f, d); #else /* !OS2 */ struct tm t; /* argument for mktime() or invlocal() */ time_t u[2]; /* argument for utime() */ #ifndef __GO32__ extern time_t mktime OF((struct tm *)); #endif /* Convert DOS time to time_t format in u[0] and u[1] */ t.tm_sec = (int)(d << 1) & 0x3e; t.tm_min = (int)(d >> 5) & 0x3f; t.tm_hour = (int)(d >> 11) & 0x1f; t.tm_mday = (int)(d >> 16) & 0x1f; t.tm_mon = ((int)(d >> 21) & 0xf) - 1; t.tm_year = ((int)(d >> 25) & 0x7f) + 80; #if defined(MSDOS) || defined(OS2) || defined(CRAY) /* mktime() is more reliable than invlocal() because the time range is * wider on MSDOS than on Unix; required for Cray because invlocal assumes * 32-bit ints */ u[0] = u[1] = mktime(&t); #else u[0] = u[1] = invlocal(&t); #endif /* Set updated and accessed times of f */ utime(f, u); #endif /* ?OS2 */ #endif /* ?VMS */ #endif /* ?__TURBOC__ */ #endif /* ?MACOS */ } local void inctime(s) struct tm *s; /* time to increment in place */ /* Increment the time structure *s by one second, return the result in place. */ { int y; /* temporary variable */ /* days in each month, except for February */ static int days[] = {31,0,31,30,31,30,31,31,30,31,30,31}; /* Set days in February from year (1900 is a leap year, 2000 is not) */ y = s->tm_year + 1900; days[1] = y % 4 == 0 && (y % 100 != 0 || y % 400 == 0) ? 29 : 28; /* Increment time with carry */ if (s->tm_sec != 59) s->tm_sec++; else if (s->tm_sec = 0, s->tm_min != 59) s->tm_min++; else if (s->tm_min = 0, s->tm_hour != 23) s->tm_hour++; else if (s->tm_hour = 0, s->tm_mday != days[s->tm_mon]) s->tm_mday++; else if (s->tm_mday = 1, s->tm_mon != 11) s->tm_mon++; else { s->tm_mon = 0; s->tm_year++; } } ulg dostime(y, n, d, h, m, s) int y; /* year */ int n; /* month */ int d; /* day */ int h; /* hour */ int m; /* minute */ int s; /* second */ /* Convert the date y/n/d and time h:m:s to a four byte DOS date and time (date in high two bytes, time in low two bytes allowing magnitude comparison). */ { return y < 1980 ? dostime(1980, 1, 1, 0, 0, 0) : (((ulg)y - 1980) << 25) | ((ulg)n << 21) | ((ulg)d << 16) | ((ulg)h << 11) | ((ulg)m << 5) | ((ulg)s >> 1); } local ulg unix2dostime(t) statime *t; /* unix time to convert */ /* Return the Unix time t in DOS format, rounded up to the next two second boundary. */ { struct tm *s; /* result of localtime() */ s = localtime(t); /* Use local time since MSDOS does */ inctime(s); /* Add one second to round up */ return dostime(s->tm_year + 1900, s->tm_mon + 1, s->tm_mday, s->tm_hour, s->tm_min, s->tm_sec); } ulg filetime(f, a, n) char *f; /* name of file to get info on */ ulg *a; /* return value: file attributes */ long *n; /* return value: file size */ /* If file *f does not exist, return 0. Else, return the file's last modified date and time as an MSDOS date and time. The date and time is returned in a long with the date most significant to allow unsigned integer comparison of absolute times. Also, if a is not a NULL pointer, store the file attributes there, with the high two bytes being the Unix attributes, and the low byte being a mapping of that to DOS attributes. If n is not NULL, store the file size there. If f is "-", use standard input as the file. If f is a device, return a file size of -1 */ { struct stat s; /* results of stat() */ char name[FNMAX]; int len = strlen(f); strcpy(name, f); if (name[len - 1] == '/') name[len - 1] = 0; /* not all systems allow stat'ing a file with / appended */ if (strcmp(f, "-") == 0) { if (fstat(fileno(stdin), &s) != 0) error("fstat(stdin)"); } else if (( #ifdef S_IFLNK linkput ? lstat(name, &s) : #endif SSTAT(name, &s)) != 0) /* Accept about any file kind including directories * (stored with trailing / with -r option) */ return 0; if (a != NULL) #if defined(MSDOS) || defined(OS2) *a = ((ulg)s.st_mode << 16) | (ulg)GetFileMode(name); #else *a = ((ulg)s.st_mode << 16) | !(s.st_mode & S_IWRITE); #endif if (n != NULL) *n = (s.st_mode & S_IFREG) == 0 ? -1L : s.st_size; #ifdef OS2 return GetFileTime(name); #else /* !OS2 */ # ifdef VMS return unix2dostime(&s.st_ctime); /* Use creation time in VMS */ # else /* !VMS */ # ifdef ATARI_ST return s.st_mtime; /* Turbo C doesn't use UNIX times */ # else return unix2dostime(&s.st_mtime); # endif # endif /* ?VMS */ #endif /* ?OS2 */ } #ifdef TOPS20 # include /* Get amazing monsym() macro */ # define _FBBYV monsym(".FBBYV") # define FBBSZ_S -24 /* Obsolete, replace by FLDGET! */ # define FBBSZ_M 077 /* ditto */ extern int _gtjfn(), _rljfn(), _gtfdb(), stat(); int set_extra_field(z) struct zlist *z; /* create extra field and change z->att if desired */ { int jfn; translate_eol = 0; jfn = _gtjfn(z->name, O_RDONLY); z->att = (((_gtfdb (jfn, _FBBYV) << FBBSZ_S) & FBBSZ_M) != 8) ? ASCII :BINARY; _rljfn(jfn); return 0; } #else /* !TOPS20 */ # if !defined(OS2) && !defined(VMS) int set_extra_field(z) struct zlist *z; /* create extra field and change z->att if desired */ { return 0; } # endif /* !OS2 && !VMS */ #endif /* TOPS20 */ int issymlnk(a) ulg a; /* Attributes returned by filetime() */ /* Return true if the attributes are those of a symbolic link */ { #ifdef S_IFLNK return ((a >> 16) & S_IFMT) == S_IFLNK; #else /* !S_IFLNK */ return (int)a & 0; /* avoid warning on unused parameter */ #endif /* ?S_IFLNK */ } int deletedir(d) char *d; /* directory to delete */ /* Delete the directory *d if it is empty, do nothing otherwise. Return the result of rmdir(), delete(), or system(). */ { #if (defined(MACOS) || defined(TOPS20)) warn("deletedir not implemented yet", ""); return 127; #else #ifdef RMDIR /* code from Greg Roelofs, who horked it from Mark Edwards (unzip) */ int r, len; char *s; /* malloc'd string for system command */ len = strlen(d); if ((s = malloc(len + 34)) == NULL) return 127; #ifdef VMS { char *c; /* pointer into VMS path */ /* convert "DEV:[DIR.SUB1.SUB2]" form to "DEV:[DIR.SUB1]SUB2.DIR;1" */ strcat(strcpy(s, "set prot=(o:rwed) "), d); /* d starts at s+18 */ if (*(c = s+17+len) != ']') { free(s); return 127; } strcpy(c, ".DIR;1"); /* directories are always version 1 */ while (--c > s+18 && *c != '.' && *c != '[') ; if (c == s+18) { free(s); return 127; } if (*c == '.') *c = ']'; else if (*--c == ']') /* presumably of form "DEV:[DIR.SUB1.][SUB2]" */ { /* (possible to have "DEV:[DIR.SUB1.][][SUB2]"?) */ char *b = c + 2; c[-1] = ']'; while (*c++ = *b++) ; } else /* must have reached device name: can't delete top level */ { free(s); return 127; } } /* unprotect directory and delete it as a file. May fail if exists normal file "foo.dir" on top of directory "foo.dir" */ system(s); r = delete(s+18); #else /* !VMS */ sprintf(s, "IFS=\" \t\n\" /bin/rmdir %s 2>/dev/null", d); r = system(s); #endif /* ?VMS */ free(s); return r; #else /* !RMDIR */ return rmdir(d); #endif /* ?RMDIR */ #endif /* ? MACOS || TOPS20 */ } #endif /* !UTIL */ int destroy(f) char *f; /* file to delete */ /* Delete the file *f, returning non-zero on failure. */ { return unlink(f); } int replace(d, s) char *d, *s; /* destination and source file names */ /* Replace file *d by file *s, removing the old *s. Return an error code in the ZE_ class. */ { struct stat t; /* results of stat() */ #ifdef VMS /* stat() is broken on VMS remote files (accessed through Decnet). * This patch allows creation of remote zip files, but is not sufficient * to update them or compress remote files */ unlink(d); #else if (SSTAT(d, &t) == 0 && unlink(d)) return ZE_CREAT; /* Can't erase zip file--give up */ #endif if (link(s, d)) /* Just move s on top of d */ #if !defined(VMS) && !defined(ATARI_ST) /* For VMS & ATARI assume failure is EXDEV */ if (errno != EXDEV # ifdef ENOTSAM && errno != ENOTSAM /* Used at least on Turbo C */ # endif ) return ZE_CREAT; else #endif { FILE *f, *g; /* source and destination files */ int r; /* temporary variable */ if ((f = fopen(s, FOPR)) == NULL) { fprintf(stderr," replace: can't open %s\n", s); return ZE_TEMP; } if ((g = fopen(d, FOPW)) == NULL) { fclose(f); return ZE_CREAT; } r = fcopy(f, g, (ulg)-1L); fclose(f); if (fclose(g) || r != ZE_OK) { unlink(d); return r ? (r == ZE_TEMP ? ZE_WRITE : r) : ZE_WRITE; } #ifdef VMS /* only delete if rename failed: previous version may exist */ unlink(s); } #else /* !VMS */ } unlink(s); #endif /* !VMS */ return ZE_OK; } int getfileattr(f) char *f; /* file path */ /* Return the file attributes for file f or 0 if failure */ { struct stat s; return SSTAT(f, &s) == 0 ? s.st_mode : 0; } int setfileattr(f, a) char *f; /* file path */ int a; /* attributes returned by getfileattr() */ /* Give the file f the attributes a, return non-zero on failure */ { #if defined (VMS) || defined(MACOS) || defined(TOPS20) return 0; #else /* !VMS */ return chmod(f, a); #endif /* ?VMS */ } #ifdef NO_MKTEMP char *tempname(zip) char *zip; /* path name of zip file to generate temp name for */ /* Return a temporary file name in its own malloc'ed space. * This function might accidentally destroy an existing file * with extension .$z$ . Use mktemp below if you have it on your system. */ { char *p; /* temporary pointer */ char *t; /* malloc'ed space for name */ if ((t = malloc(strlen(zip)+5)) == NULL) return NULL; strcpy(t, zip); if ((p = strrchr(t, '.')) != NULL && (!strncmp(p, ".zip", 4) || !strncmp(p, ".ZIP", 4))) /* strncmp to avoid problems with VMS ';' */ strcpy(p, ".$z$"); else strcat(t, ".$z$"); return t; } #else /* !NO_MKTEMP */ char *tempname(zip) char *zip; /* path name of zip file to generate temp name for */ /* Return a temporary file name in its own malloc'ed space, using tempath. */ { char *t = zip; /* malloc'ed space for name (use zip to avoid warning) */ if (tempath != NULL) { if ((t = malloc(strlen(tempath)+10)) == NULL) return NULL; strcpy(t, tempath); #if (!defined(VMS) && !defined(TOPS20)) if (t[strlen(t)-1] != '/') strcat(t, "/"); #endif } else { if ((t = malloc(9)) == NULL) return NULL; *t = 0; } strcat(t, "_ZXXXXXX"); return mktemp(t); } #endif /* NO_MKTEMP */ int fcopy(f, g, n) FILE *f, *g; /* source and destination files */ ulg n; /* number of bytes to copy or -1 for all */ /* Copy n bytes from file *f to file *g, or until EOF if n == -1. Return an error code in the ZE_ class. */ { char *b; /* malloc'ed buffer for copying */ extent k; /* result of fread() */ ulg m; /* bytes copied so far */ if ((b = malloc(CBSZ)) == NULL) return ZE_MEM; m = 0; while (n == -1L || m < n) { if ((k = fread(b, 1, n == -1 ? CBSZ : (n - m < CBSZ ? (extent)(n - m) : CBSZ), f)) == 0) if (ferror(f)) { free((voidp *)b); return ZE_READ; } else break; if (fwrite(b, 1, k, g) != k) { free((voidp *)b); fprintf(stderr," fcopy: write error\n"); return ZE_TEMP; } m += k; } free((voidp *)b); return ZE_OK; } #ifdef ZMEM /************************/ /* Function memset() */ /************************/ /* * memset - for systems without it * bill davidsen - March 1990 */ char * memset(buf, init, len) register char *buf; /* buffer loc */ register int init; /* initializer */ register unsigned int len; /* length of the buffer */ { char *start; start = buf; while (len--) *(buf++) = init; return(start); } /************************/ /* Function memcpy() */ /************************/ char * memcpy(dst,src,len) /* v2.0f */ register char *dst, *src; register unsigned int len; { char *start; start = dst; while (len--) *dst++ = *src++; return(start); } /************************/ /* Function memcmp() */ /************************/ int memcmp(b1,b2,len) /* jpd@usl.edu -- 11/16/90 */ register char *b1, *b2; register unsigned int len; { if (len) do { /* examine each byte (if any) */ if (*b1++ != *b2++) return (*((uch *)b1-1) - *((uch *)b2-1)); /* exit when miscompare */ } while (--len); return(0); /* no miscompares, yield 0 result */ } #endif /* ZMEM */ #ifdef TOPS20 int strupper(s) /* Returns s in uppercase */ char *s; /* String to be uppercased */ { char *p; p = s; for (; *p; p++) *p = toupper (*p); } int strlower(s) /* Returns s in lowercase. */ char *s; /* String to be lowercased */ { char *p; p = s; for (; *p; p++) *p = tolower (*p); } #endif /* TOPS20 */ #ifdef __TURBOC__ /************************/ /* Function fcalloc() */ /************************/ /* Turbo C malloc() does not allow dynamic allocation of 64K bytes * and farmalloc(64K) returns a pointer with an offset of 8, so we * must fix the pointer. Warning: the pointer must be put back to its * original form in order to free it. * For MSC, use halloc instead of this function (see tailor.h). */ void far * fcalloc(items, size) unsigned items; /* number of items */ unsigned size; /* item size */ { void far * buf = farmalloc((ulg)items*size + 16L); /* Normalize the pointer to seg:0 */ *((int*)&buf+1) += ((unsigned)((uch*)buf-0) + 15) >> 4; *(int*)&buf = 0; return buf; /* buf stays NULL if alloc failed */ } #endif /* __TURBOC__ */